Add CMietinkasso entity and localization support

- Introduced a new entity "CMietinkasso" with its metadata definitions, including fields, links, and indexes.
- Added controller for CMietinkasso to handle business logic.
- Created localization files for CMietinkasso in multiple languages (e.g., English, German, Spanish, etc.) to support internationalization.
- Updated global JSON files to include references to the new entity.
- Modified configuration files to integrate CMietinkasso into the application structure.

custom/Espo/Custom/Resources/metadata/clientDefs/CMietinkasso.json

@@ -0,0 +1,37 @@
+{
+    "controller": "controllers/record",
+    "boolFilterList": [
+        "onlyMy"
+    ],
+    "sidePanels": {
+        "detail": [
+            {
+                "name": "activities",
+                "reference": "activities"
+            },
+            {
+                "name": "history",
+                "reference": "history"
+            },
+            {
+                "name": "tasks",
+                "reference": "tasks"
+            }
+        ]
+    },
+    "bottomPanels": {
+        "detail": [
+            {
+                "name": "activities",
+                "reference": "activities",
+                "disabled": true
+            },
+            {
+                "name": "history",
+                "reference": "history",
+                "disabled": true
+            }
+        ]
+    },
+    "iconClass": "fas fa-money-bill-1-wave"
+}